these kinds of discussions are emerging as barack obama, the american president, talks about things with his security advisers and terms of an american response is, indeed, there has been the use of chemical weaponry. president obama has repeatedly said if a side uses chemical weapons, that would be a egregious, and then foreign and american intervention would be justified. now, this comes as the united states uses its naval forces to move closer, and we are hearing from the united states that it would be prepared to strike if, indeed, called upon to do so. this comes as serious and state television said soldiers entered a number of tunnels that had been used by rebel fighters, and there, they found evidence of chemical waste. there were empty shells that had marks on them made in saudi arabia, saudi arabia being a critic of the president, bashar al-assad, and there seem to be a lot of reports and evidence that the rebels, in fact, are responsible for carrying out these chemical attacks. all of the footage and all of the reports circulating online are, as yet, unverified, and some are vo